test: use testlib (final 61)

X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g
X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5671080
diff --git a/test/parentype.go b/test/parentype.go
index 1872cd0..d7c14f3 100644
--- a/test/parentype.go
+++ b/test/parentype.go
@@ -1,4 +1,4 @@
-// $G $D/$F.go
+// compile
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style